diff -Naur MPlayer-1.0pre6.orig/cpudetect.c MPlayer-1.0pre6/cpudetect.c
--- MPlayer-1.0pre6.orig/cpudetect.c	2005-01-07 17:57:32.000000000 +0100
+++ MPlayer-1.0pre6/cpudetect.c	2005-01-07 18:35:23.541037208 +0100
@@ -320,7 +320,10 @@
  */
 static void check_os_katmai_support( void )
 {
-#if defined(__FreeBSD__)
+#ifdef ARCH_X86_64
+   gCpuCaps.hasSSE=1;
+   gCpuCaps.hasSSE2=1;
+#elif defined(__FreeBSD__)
    int has_sse=0, ret;
    size_t len=sizeof(has_sse);